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EP2752230A4 - Filter medium for air filter, air filter unit, and method for producing filter medium for air filter - Google Patents

Filter medium for air filter, air filter unit, and method for producing filter medium for air filter

Info

Publication number
EP2752230A4
EP2752230A4 EP12826828.1A EP12826828A EP2752230A4 EP 2752230 A4 EP2752230 A4 EP 2752230A4 EP 12826828 A EP12826828 A EP 12826828A EP 2752230 A4 EP2752230 A4 EP 2752230A4
Authority
EP
European Patent Office
Prior art keywords
filter
air filter
medium
air
producing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12826828.1A
Other languages
German (de)
French (fr)
Other versions
EP2752230B1 (en
EP2752230A1 (en
Inventor
Satoshi Hara
Li Bao
Kunihiko Inui
Seigo Yamamoto
Yoshiyuki Shibuya
Makoto Kobayashi
Hitoshi Niinuma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP2752230A1 publication Critical patent/EP2752230A1/en
Publication of EP2752230A4 publication Critical patent/EP2752230A4/en
Application granted granted Critical
Publication of EP2752230B1 publication Critical patent/EP2752230B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0627—Spun-bonded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0668—The layers being joined by heat or melt-bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1233—Fibre diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/06—Details of supporting structures for filtering material, e.g. cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/12—Conjugate fibres, e.g. core/sheath or side-by-side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Nonwoven Fabrics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP12826828.1A 2011-08-31 2012-08-30 Filter medium for air filter, air filter unit, and method for producing filter medium for air filter Active EP2752230B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011190196 2011-08-31
PCT/JP2012/005501 WO2013031229A1 (en) 2011-08-31 2012-08-30 Filter medium for air filter, air filter unit, and method for producing filter medium for air filter

Publications (3)

Publication Number Publication Date
EP2752230A1 EP2752230A1 (en) 2014-07-09
EP2752230A4 true EP2752230A4 (en) 2015-08-05
EP2752230B1 EP2752230B1 (en) 2016-12-21

Family

ID=47755757

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12826828.1A Active EP2752230B1 (en) 2011-08-31 2012-08-30 Filter medium for air filter, air filter unit, and method for producing filter medium for air filter

Country Status (5)

Country Link
US (1) US20140165517A1 (en)
EP (1) EP2752230B1 (en)
JP (1) JP5472405B2 (en)
CN (1) CN103764251B (en)
WO (1) WO2013031229A1 (en)

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JP2014064995A (en) * 2012-09-26 2014-04-17 Japan Vilene Co Ltd Filter element
JP6106479B2 (en) * 2013-03-21 2017-03-29 日東電工株式会社 FILTER FILTER AND METHOD FOR PRODUCING FILTER FILTER
JP2014198312A (en) * 2013-03-29 2014-10-23 日東電工株式会社 Filter medium and method of manufacturing filter medium
JP6209393B2 (en) * 2013-08-21 2017-10-04 日東電工株式会社 Filter media
JP5835389B2 (en) * 2014-03-26 2015-12-24 ダイキン工業株式会社 Air filter medium, filter pack, air filter unit, and method of manufacturing air filter medium
CN105214383B (en) * 2014-05-30 2019-09-27 日本无机株式会社 Filter material and its crease processing method and air purifier air filter
JP6115596B2 (en) 2014-12-26 2017-04-19 ダイキン工業株式会社 Air filter medium, filter pack, air filter unit, and method of manufacturing air filter medium
EP3250307A4 (en) * 2015-01-29 2018-09-05 3M Innovative Properties Company Conformable pleated air filter with bridging filaments
KR101878355B1 (en) * 2015-06-01 2018-07-16 주식회사 아모그린텍 Gas filter
CN104971630A (en) * 2015-06-19 2015-10-14 深圳市星源材质科技股份有限公司 Polyolefin air filtering composite film and preparation method therefor
US11278833B2 (en) 2015-08-17 2022-03-22 Parker-Hamilton Corporation Filter media packs, methods of making, and ultrasonic cutting or welding
EP3337588B8 (en) 2015-08-17 2020-11-11 Parker-Hannificn Corporation Methods of making filter media packs
BR112018001733A2 (en) * 2015-08-21 2018-09-18 Cummins Filtration Ip Inc variable efficiency media
CN106552458A (en) * 2015-09-18 2017-04-05 东丽纤维研究所（中国）有限公司 A kind of conducting filtration material and its production method and purposes
JP6372507B2 (en) * 2016-03-11 2018-08-15 ダイキン工業株式会社 Air filter medium, air filter unit, and method of manufacturing air filter medium
CN105774149B (en) * 2016-03-25 2017-10-17 重庆再升净化设备有限公司 A kind of composite filter material available for gas-liquid separation
CN105605763A (en) * 2016-03-29 2016-05-25 江苏深氧环保科技有限公司 Filter material for air conditioners and preparation method thereof
KR101720109B1 (en) * 2016-06-17 2017-03-27 (주)크린앤사이언스 Filter media consisting of the wet non-woven fabric and its manufacturing method
JP6673230B2 (en) 2017-01-12 2020-03-25 ダイキン工業株式会社 Air filter media
JP2019010867A (en) 2017-06-30 2019-01-24 キヤノン株式会社 Porous body, its manufacturing method, inkjet recording method, and inkjet recording device
CN107564600B (en) * 2017-09-29 2019-06-21 湖州森德高新材料有限公司 A kind of nuclear power plant's air cleaning unit based on low-resistance polytetrafluoroethylene (PTFE)
WO2019213107A1 (en) * 2018-05-03 2019-11-07 Cummins Filtration Ip, Inc. Composite filter media with multiple fiber structures including nanofibers
WO2020067182A1 (en) * 2018-09-28 2020-04-02 ダイキン工業株式会社 Filter medium for air filter, filter pack, air filter unit, and manufacturing methods therefor
EP3815768B1 (en) * 2018-09-28 2023-11-22 Daikin Industries, Ltd. Method for producing a filter pack and method for producing an air filter unit
CN114080245B (en) * 2019-07-11 2023-12-05 旭化成医疗株式会社 Blood treatment filter
JP7397279B2 (en) * 2019-08-09 2023-12-13 ダイキン工業株式会社 air filter unit
CN110613978B (en) * 2019-08-23 2023-12-01 杭州加淼科技有限公司 Gas phase filter material and filter unit
CN110733212B (en) * 2019-10-31 2021-06-01 南通市辉鑫玻璃纤维有限公司 Glass fiber membrane and preparation method thereof
JP7393198B2 (en) * 2019-12-20 2023-12-06 日本無機株式会社 Filter pack and air filter
EP4218983A4 (en) 2020-09-28 2024-11-13 Nitto Denko Corp Air filter filtering medium, filter pleat pack, and air filter unit
WO2022065516A1 (en) 2020-09-28 2022-03-31 日東電工株式会社 Air filter filtering medium, filter pritz pack, and air filter unit
JPWO2022065515A1 (en) 2020-09-28 2022-03-31
CN113828063A (en) * 2021-10-20 2021-12-24 湖北真福医药有限公司 Antistatic filter material and tangential flow compressed air filter device
WO2023085909A1 (en) * 2021-11-15 2023-05-19 주식회사 마이크로원 Cabin filter unit having ptfe membrane multilayered structure

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EP1266681A2 (en) * 2001-06-13 2002-12-18 Nitto Denko Corporation Filter medium for turbine and methods of using and producing the same
EP1750493A1 (en) * 2005-07-14 2007-02-07 W.L.Gore & Associates Gmbh Fan cooling unit for cooling electronic components

Non-Patent Citations (1)

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Title
See also references of WO2013031229A1 *

Also Published As

Publication number Publication date
EP2752230B1 (en) 2016-12-21
CN103764251B (en) 2015-07-22
JP5472405B2 (en) 2014-04-16
CN103764251A (en) 2014-04-30
WO2013031229A1 (en) 2013-03-07
US20140165517A1 (en) 2014-06-19
EP2752230A1 (en) 2014-07-09
JP2013063424A (en) 2013-04-11

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